/*
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package java.util;

import elemental2.core.JsDate;
import jsinterop.base.Js;

public final class Calendar {
  public static final int MONTH = 2;
  public static final int DAY_OF_MONTH = 5;

  public static final int HOUR_OF_DAY = 11;
  public static final int MINUTE = 12;
  public static final int SECOND = 13;

  protected Calendar() {}

  public static Calendar getInstance() {
    return Js.uncheckedCast(new JsDate());
  }

  public int get(int field) {
    switch (field) {
      case 2:
        return Js.<JsDate>uncheckedCast(this).getMonth();
      case 5:
        return Js.<JsDate>uncheckedCast(this).getDate();
      case 11:
        return Js.<JsDate>uncheckedCast(this).getHours();
      case 12:
        return Js.<JsDate>uncheckedCast(this).getMinutes();
      case 13:
        return Js.<JsDate>uncheckedCast(this).getSeconds();
      default:
        throw new UnsupportedOperationException("Unsupported Calendar field " + field);
    }
  };
}
